Phthalonitrile compound

Abstract

The present application relates to a novel phthalonitrile compound and a use thereof. The phthalonitrile compound has a novel structure and can exhibit excellent effects in a use known for which a phthalonitrile compound can be applied. The use of the phthalonitrile compound can be exemplified by a material or a precursor such as a phthalonitrile resin, a phthalonitrile dye, a fluorescent whitening agent, a photographic sensitizer, or an acid anhydride.

The invention claimed is: 
     
       1. A phthalonitrile resin comprising a polymerized unit derived from a compound of Formula 1 below: 
       
         
           
           
               
               
           
         
         wherein, A is an alkylene group or an alkylidene group, having 1 to 20 carbon atoms, Q 1  and Q 2  are an aromatic divalent radical substituted with at least one alkyl group, L 1  and L 2  are each independently an alkylene group, an alkylidene group, an oxygen atom or a sulfur atom, R 1  to R 10  are each independently hydrogen, an alkyl group, an alkoxy group, an aryl group or a cyano group, provided that at least two of R 1  to R 5  are a cyano group and at least two of R 6  to R 10  are a cyano group. 
       
     
     
       2. The phthalonitrile resin according to  claim 1 , wherein Q 1  and Q 2  in Formula 1 are each independently a radical derived from an aromatic compound of Formula 2 below: 
       
         
           
           
               
               
           
         
         wherein, R a  to R f  are each independently hydrogen, an alkyl group, an alkoxy group or an aryl group, where two of R a  to R f  form a covalent bond, provided that any one of two forming said covalent bond forms a covalent bond with L 1  or L 2  in Formula 1 and the other forms a covalent bond with A in Formula 1, and at least one of the substituents not forming said covalent bond among R a  to R f  is an alkyl group. 
       
     
     
       3. The phthalonitrile resin according to  claim 2 , wherein the substituent present in the para position on the basis of the substituent forming a covalent bond with A in Formula 1 among R a  to R f  in Formula 2 forms a covalent bond with L 1  or L 2  in Formula 1. 
     
     
       4. The phthalonitrile resin according to  claim 3 , wherein at least one of the substituents present in the ortho or meta position on the basis of the substituent forming a covalent bond with A in Formula 1 among R a  to R f  in Formula 2 is an alkyl group. 
     
     
       5. The phthalonitrile resin according to  claim 3 , wherein at least one of the substituents present in the meta position on the basis of the substituent forming a covalent bond with A in Formula 1 among R a  to R f  in Formula 2 is an alkyl group. 
     
     
       6. The phthalonitrile resin according to  claim 3 , wherein two substituents present in the meta position on the basis of the substituent forming a covalent bond with A in Formula 1 among R a  to R f  in Formula 2 are an alkyl group. 
     
     
       7. The phthalonitrile resin according to  claim 1 , wherein L 1  and L 2  are each independently an alkylene group, an alkylidene group or an oxygen atom. 
     
     
       8. The phthalonitrile resin according to  claim 1 , wherein in Formula 1, any two of R 2  to R 4  are a cyano group and any two of R 7  to R 9  are a cyano group. 
     
     
       9. A polymerizable composition comprising the compound as defined in  claim 1  and a curing agent. 
     
     
       10. A prepolymer which is reaction product of the polymerizable composition of  claim 9 . 
     
     
       11. A composite comprising the phthalonitrile resin of  claim 1  and a filler. 
     
     
       12. The composite according to  claim 11 , wherein the filler is a metal material, a ceramic material, glass, a metal oxide, a metal nitride or a carbon-based material. 
     
     
       13. A precursor comprising the polymerizable composition of  claim 9 ; and a filler. 
     
     
       14. A method for producing a composite comprising a step of curing the precursor of  claim 13 . 
     
     
       15. A precursor comprising the prepolymer of  claim 10 ; and a filler.